Describe how crystals of copper sulphate are prepared

Asked by admin @ 24/08/2021 in Environmental Sciences viewed by 304 People

Describe how crystals of copper sulphate are prepared.

NCERT Solutions for Class 7th Science Chapter 6 Physical and Chemical Changes Page 66 Exercise Question 8

Answered by admin @ 24/08/2021

Crystals of copper sulphate are prepared by the method of crystallization. The process is as follows. A cupful of water is taken in a beaker. Few drops of dilute sulphuric acid are added to this. The water is then heated and when it starts boiling, copper sulphate powder is added with stirring. Copper sulphate powder should be added on till the solution becomes saturated. It is then

Describe a method to prepare a crystal of copper sulphate

Asked by admin @ 06/08/2021 in Chemistry viewed by 319 persons

Describe a method to prepare a crystal of copper sulphate.

Some crystals of copper sulphate were dissolved in water

Asked by admin @ 16/08/2021 in Science viewed by 325 persons

Some crystals of copper sulphate were dissolved in water. The colour of the solution obtained would be(a)green(b)red(c)blue(d)brown

What is the colour of copper sulphate crystals after heating

Asked by admin @ 04/08/2021 in Science viewed by 310 persons

Crystals of copper sulphate are heated in a test tube for some time. What is the colour of copper sulphate crystals before and after heating? What is the source of …

What happens when blue crystals of copper sulphate are heated

Asked by admin @ 02/08/2021 in Chemistry viewed by 339 persons

What do you observe when blue copper sulphate crystals are heated

What happens if we put copper sulphate crystals in water

Asked by admin @ 02/08/2021 in Chemistry viewed by 424 persons

What happens if you put copper sulphate crystals in water

Describe the electroplating of copper on an iron strip

Asked by admin @ 17/08/2021 in Science viewed by 304 persons

Describe the electroplating of copper on an iron strip?

Why does the colour of copper sulphate solution

Asked by admin @ 29/08/2021 in Chemistry viewed by 382 persons

why does the colour of copper sulphate solution changes when an iron nail is dipped in it? write the chemical reaction involved

What is the colour of ferrous sulphate crystals

Asked by admin @ 25/08/2021 in Science viewed by 331 persons

what is the colour of ferrous sulphate crystals how does this colour change after heating this is question numbera then question number b name the products formed on strongly heating …

What is the colour of copper sulphate solution

Asked by admin @ 24/08/2021 in Chemistry viewed by 308 persons

What is the colour of copper sulphate solution?

What is the colour of copper sulphate after heating

Asked by admin @ 23/08/2021 in Chemistry viewed by 341 persons

Crystals of copper sulphate are heated in a test tube for some time. a)What is the colour of copper sulphate crystals--- before hearing and after heating? b)What is the source …

A cell is prepared by dipping a copper rod

Asked by admin @ 20/08/2021 in Chemistry viewed by 287 persons

(24) A cell is prepared by dipping a copper rod in 1M Cuso, solution a nickel rod in 1M NISO solution. The standard reduction potentials areE°Cu/Cu+2 = 0.34V, E'Ni/Ni+2 …

Why does the colour of copper sulphate solution change

Asked by admin @ 11/08/2021 in Chemistry viewed by 321 persons

Why does the colour of copper sulphate solution change when an iron nail is dipped in it? Write two observations.

What happens when water is added to anhydrous copper sulphate

Asked by admin @ 03/08/2021 in Chemistry viewed by 292 persons

What happens if a drop of water is poured over anhydrous copper sulphate

What happens when ferrous sulphate crystals are heated

Asked by admin @ 29/08/2021 in Science viewed by 295 persons

What happens when ferrous sulphate crystals are heated in a dry boiling tube? Write the chemical equations for the chemical reactions taking place. Also write the number of moles of …